Baseline Widely available
validity
㯠HTMLButtonElement
ã¤ã³ã¿ã¼ãã§ã¤ã¹ã®èªã¿åãå°ç¨ããããã£ã§ããã®è¦ç´ ã®æå¹ç¶æ
ã表ã ValidityState
ãªãã¸ã§ã¯ããè¿ãã¾ãã
ValidityState
ãªãã¸ã§ã¯ãã§ãã
次ã®ä¾ã¯ã <button>
ã« customError
ãè¨å®ããã¦ããå ´åã䏿£ãªç¶æ
ã«ãããã¨ã示ãã¦ãã¾ãããã®ç¶æ
ã§ã¯ãvalidityState
ã® validity
ããããã£ã¯ false
ã§ãããcheckValidity()
ã¯ããã¿ã³ã® type
ã "submit"
ã§ãªãå ´åãå¶ç´æ¤è¨¼ã®å¯¾è±¡ã§ã¯ãªããããtrue
ãè¿ãã¾ãã
const button = document.getElementById("myButton");
button.setCustomValidity("This button is invalid.");
const validityState = button.validity;
console.log(validityState.valid); // false
console.log(validityState.customError); // true
console.log(button.checkValidity()); // ãã¿ã³ã®ç¨®é¡ã "submit" ã®å ´å㯠falseãããã§ãªããã° true
仿§æ¸ ãã©ã¦ã¶ã¼ã®äºææ§ é¢é£æ
å ±
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